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TSpectrumPeaksAnalyzer.ApproximateComplexEst Method (Double, TCplx)
TSpectrumPeaksAnalyzer Class | TSpectrumPeaksAnalyzer Members | SignalAnalysis Namespace | ApproximateComplexEst Method
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Finds the maximum of the peak at Freq and applies interpolation.

Pascal
function ApproximateComplexEst(Freq: Double; out cplxEstimate: TCplx): Double; overload;
Description

Applies the peak interpolation methods, specified with the Interpolation property, to get a better estimate of the frequency of the peak closest to the Freq. The value of the Freq can be the frequency of the closest frequency bin in the frequency spectrum. The function also returns the complex value spectral bin at the specified frequency, if peak interpolation was TInterpolationMethod.imNumeric. Alternatively the result of cplxEstimate is simply zero.

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